<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'
import { ref, onMounted } from 'vue'
import * as categoryApi from '@/api/categoryApi.js'
import { ElMessage,ElMessageBox } from 'element-plus'
const categorys = ref([])

//进入页面获取数据
onMounted(() => {
    fetchData()
})

//获取数据
const fetchData = async () => {
    let result = await categoryApi.getArticleCategoryList().then(res => {
        categorys.value = res.data
    })
}


//控制添加分类弹窗
const dialogVisible = ref(false)

//控制分类窗口名称
const title=ref('')

//控制分类窗口类型
const dialogType = ref('')

//添加分类数据模型
const categoryModel = ref({
    categoryName: '',
    categoryAlias: ''
})
//添加分类表单校验
const rules = {
    categoryName: [
        { required: true, message: '请输入分类名称', trigger: 'blur' },
    ],
    categoryAlias: [
        { required: true, message: '请输入分类别名', trigger: 'blur' },
    ]
}

// 打开添加分类窗口
const showAdd = () => {
    title.value = '添加分类'
    categoryModel.value = {
        categoryName: '',
        categoryAlias: '',
        id: ''
    }
    dialogType.value = 'add'
    dialogVisible.value = true
}

//打开编辑窗口
const showEdit = (row) => {
    title.value = '编辑分类'
    categoryModel.value = {
        ...row
    }
    dialogVisible.value = true
    dialogType.value = 'edit'
}

//提交表单
const addCategory = async () => {
    if (dialogType.value === 'add') {
        addArticleCategory()
    } else {
        editCategory()
    }
}

//添加分类
const addArticleCategory = async () => {
    let result = await categoryApi.addArticleCategory(categoryModel.value).then(res => {
        if (res.code === 0) {
            ElMessage.success('添加成功')
            fetchData()
            dialogVisible.value = false
        }
    })
}

//编辑分类
const editCategory = async () => {
    let result = await categoryApi.editArticleCategory(categoryModel.value).then(res => {
        if (res.code === 0) {
            ElMessage.success('编辑成功')
            fetchData()
            dialogVisible.value = false
        }
    })
}

//删除分类
const deleteCategory = async (row) => {
    //确认框
    ElMessageBox.confirm('此操作将永久删除该分类, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
    }).then(() => {
        categoryApi.deleteArticleCategory(row.id).then(res => {
            if (res.code === 0) {
                ElMessage.success('删除成功')
                fetchData()
            }
        })
    }).catch(() => {
        ElMessage.info('已取消删除')
    })
}



</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章分类</span>
                <div class="extra">
                    <el-button type="primary" @click="showAdd">添加分类</el-button>
                </div>
            </div>
        </template>
        <el-table :data="categorys" style="width: 100%">
            <el-table-column label="序号" width="100" type="index"> </el-table-column>
            <el-table-column label="分类名称" prop="categoryName"></el-table-column>
            <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="showEdit(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>

        <!-- 分类弹窗 -->
        <el-dialog v-model="dialogVisible" :title="title" width="30%">
            <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
                <el-form-item label="分类名称" prop="categoryName">
                    <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
                </el-form-item>
                <el-form-item label="分类别名" prop="categoryAlias">
                    <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
                </el-form-item>
            </el-form>
            <template #footer>
                <span class="dialog-footer">
                    <el-button @click="dialogVisible = false">取消</el-button>
                    <el-button type="primary" @click="addCategory"> 确认 </el-button>
                </span>
            </template>
        </el-dialog>
    </el-card>
</template>

<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
</style>